Visible whistle



July 12, 1932 G. M. MARR ET AL 1,367,165

VISIBLE WHSTL I Filed May-26, 195o 2 sheets-sheet 1 July 12, 1932. G. M.MARR ET AL 1,867,165

VISIBLE WHISTLE Filed May 26. 1950 2 Sheets-Sheet 2 Patented July12,1932 1,867,155

" UNITED STATES APA FICE l i 'GEORGE M. .Mann ANDARTHUR PHELrsMARm-onNEW trenini.

VISIBLE WHISTLE Application .filed Mayv 2e, 1930. .serial 110.455,519.

The/subject of this invention really has distribute powder orresidueover'theboat, nothing to do withfthe construction oi a or.V thepersonsthereon; so, thereforegthis whistle, but is an auxiliaryto awhistle',the present application' not only-has tof do with operationofwhich islby means other than the mechanism, but has :alsoV toY dowitlithe 1- .5steam. Y -materiaLemployed u f *55 Onl Dieselfoperatedr'ships, `onyachts, and The following is!what-'we consider` the vonboats Yoperatedby` internal combustion best means oi' carrying: out this invention,vmotors of anytype the whistle,which isY so and the accompanying-drawingsshouldbe essential--,andl required by law on-iall seareferredto for avcomp'lete understandin -10 goingwcraftis usually operatedeitherby Vofthespecificationwhichiiollows. im 'compressedain or byAelectrical' means.;' in In the drawings :--v 'l'other'wordsthelwhistles arevair whistlesor Figi; l, shows inI 'sideelevation-,1 partly in electrical whistles. l j section,S oner meansi'ofcarryingffout=our1in In' congested tr'aiiic, when such a whistle'ventio l5 is blown, it is not possible for the navigator Fig. 2, shows:a-'plan'viewfof' certainfparts 5` of another craft to know ffromwhichboat ofFig. l. v

the sound is coming, or what particular Figa 3,is-a=similarf-viewshowing another lwhistle hasbeen blown, and aswhistles'are means, and Y used for signalling the intentions off the Fig. 4, is a sectionalw-vi'ewfof 'apartrelo pilot'or navigator, it:is.exceedingly'essenmoved. f y '70 tial that the navigatore or pilots orhelmsmen Similar reference numerals -indicat'e llike ofall surroundingboats `knownwhen Va whisparts in all the-iguresfwhere they appear.V tleis blown, and'whatiparticularboat intends At 1,l wet- -show Aafwhistle,vvhic'h-l maybefof to accomplishthe manoeuvre suggested by theany'desired shapeior'size, and while 1fourfdel25 Whistle Signal.vicelmaylbeoperatedwitlfi anelectnieally'op- 75 The device, the subjectof this invention, eratedf'whistle, 'inthe" drawings-"We A have then, isanauXiliar-y adapted to be'employed shownan ordinary 'airwhistle The-airffor iwith ain orV electric whistles, or whistles operating? thelwhistle 'is'freceii'fed-i from a oany'type, or audible `signal-lingmeans of source of air supply, through the pipe .@,fand

30 any typeywhich do not emit a visual cloud, a valve 3 allowstheainfromthe? pipe v2`to '80 -or energize a visual signalsimultaneously passon'ward to the-whistle 1.` Y -withtheir operation. lAt 4.-,we show a T and ashort pipe nipple We are aware that meanshavebeen sug- -connects this T4 withgasecndPT Itl will gestedfor :makingsuch :whistles visible,fbut then be understood that when air isallowedI`V3-51We arelailsoawarefthat thefmeansprevioustopassthe valve,aportion'ofjtheairwill 35 ly suggested includedftheuse ofchemicals,Apass-into thewhistleyand ap'ortion of theair .which were vobjectionable'either'because` oi' -Will'pass through the'T?s 4 and 6. their;corrosive action, or becauseo the de- Connected'w-ith the TA6, isa--nozzle @which posit Yleft aterthenoperatiomor because is one elementof-an atomizerff" This'no'zzle 7 y '0 of.. the oXidization or plugging.,which would I Sprovided'with 'al discharge opening through 90 maketh-e.yvisual device inoperative after a the restrictedportionSoifthenozzleya'ndfadshort period of usefulness. yjacent to this dischargeopening isanother In this present application, we have sought dischargeopening formed intherestricted to overcomeall ofthe Adiiiculties thathave portion'9 of'a short no'zzle 10.""The`sh'ort previouslfybeendiscoveredin suoli devices, nozzlelQ enters, and is supported in `areserc5 and at' the same time, it may produce a sim- 'voir 11." Bothnozzles may rbe encased as ple mechanism -and a material to be emshownat 12', to prevent mechanicalfinjury, pjloyed therewith, that 'would be'subject to and to prevent the formation'of sleet or forcontinuous'operation over a long period of eignmatter thereon.`l`

50 time,v and-that would not clog=or stain,or `InIFiga 2, we' show thearrangement of the um nozzles, and in Ythis figure, the slit 13 of theVnozzle is shown, and it will be noted that these nozzles are spreadoutward, and fora purpose that shall appear later.

Connected to the T 6, is a downwardly depending pipe 14, provided ywitha controlling valve 15. This pipe enters a tank 16, and

Y also entering the tank 16 is a second pipe 17,

having a check valve 18 therein.

The pipe 17 extending to near'the bottom of the tank, extends to nearthe top ofthe i reservoir 11. The tank 16 is the liquid tank,

- but also for other desirable qualities.

V emulsion consists of a pre-determined quanv and in this tank, we placethe emulsion which is to be discharged through the atomizer.

Air passing through the pipe 14 and con.

trolled by the valve 15 enters the tank 16 at each operation of the.whistledischarging a controlled `quantity of liquid yfrom-.the tank 16into the reservoir 11. Y

As it is sometimes necessary to arrange the Whistle unit highup abovethe tankl, the check valve 18 is introduced to assure that the head ofliquid in the vpipe 17 will not discharge rthis liquid backward into thetank 16, v

when the pressure through the pipe lll is discontinued. c

v The emuslion which we employ has vbeen carefully selected, not onlyfor its visibility, The

tity of emulsified mineral oil andv water, either fresh Vor salt. Theamount of oil employed is such as to make the water practi-V cally anon-freeze emulsion.

While we have foundthat a live or ten percent solution of emulsiedoil'and water operates with entire satisfaction, we do not vdesire toadhere to just these proportions.

The mixture of the emulsiied oil in water results in anAemulsionlmilk-white in appearance, andk yet this emulsion does notstain,

and because of the content of emulsified oil, the lemulsion islessundesirable than clear water.

The oil base prevents oxidization of the parts or the formation of icethereon,and as it serves as a lubricant, there is no fear of corrosion,or of the device.

It will of course beunderstood vthat the reservoir 11 is maintainedalmost full at all times, so that an immediate response is had withevery operation of the whistle.

For very large boats andy for installationY whistle is received from anair supply plugging of any ofthe parts of through the pipe' 19, andiscontrolled by the valve 20. In this construction, the'tank 21 is underconstant air pressure, the air entering through the pipe 22 andcontrolled by the valve 23. The emulsion will then pass upward throughthe pipe 24, its flow being controlled byrtheovalve 25, and vliquid willbe present under the valve 26.

In the operation of thisV device, both the valves 2O and 26 aresimultaneously operated; the one to admit air to the whistle and to theAatomizer, and the other to admit liquid f to the atomizer reservoir. f Y

- In the operation of the valve 20, a part of the air will pass upwardthrough the pipe 27, through the nipple 28 inthe atomizer, and be spreadby hitting the capor'baffle 29.V` The .liquid passing upward through thevalve 26 will pass through the nipple 30, into the interior of thereservoir 31. From there, it will pass vupward in the space 32, betweenthe inner and outer shells 33 and 34 of the reservoir, to befejectedthrough the slot 35, which is closely adjacent to the air slot 86.l

It is not desirable that rthis devicek discharge a circular spray, andtherefore we provide a. filler. 87, which may be inserted at any pointor on several points in 'the periphery and the slots 35 andpyto break upvthe disv` charge. e

At 38, lwe sho-w a cap over this device, which will serve as does thecasing 12, to prevent ice or foreign matter forming or resting on ourdevice. The'main supply tank 21 maybe provided withafillin lnozzle),although any other means for ling the tank may be employed,and it mayalso bepro-k vided with a safety valve 40., j

At 41,. we have indicated a smoke stack,

and 42 and 43 merely indicate supporting brackets.

From the foregoing description, it is believed that the operation of ourdevice will c be fully understood; the operation is, however,diametrically opposite to that of the ordinary atomizer, in that it isnot our desire to discharge the greatest possible amount of liquid oremulsion. v

It is our desire to atomize the emulsion to ythe lfinest possibleVdegree, and therefore we' so proportion our parts that a maximumof airand a minimum of emulsion will bedischarged simultaneously, so as toobtainthe desired effect, the eect which is that of.

steam, and from our experience, we have demonstrated that with theuseof'this particular emulsion, and thestructure we have here shown, wedo simulate steam, ory even improve upon the visibility of steam by thei use of an emulsion, which is in itself, milkwhite before it isatomized. i f i c Of course it will be understood that modications inall parts may be madewithin the scope of the appended claims, withoutdeilo parting from the principle or sacrificing the advantages of thisinvention.

Having carefully and fully described our invention, what We claim anddesire to sel. A Whistle, and in combination therewith, an atomizingmeans, a reservoir adjacent thereto, a supply tank, and means fordischarging a liquid from said supply tank into said reservoir upon eachoperation of the Whistle.

2. The combination with an air Whistle, of a by-pass connected betweenthe Whistle valve and the Whistle, an atomizer nozzle in said by-pass, asecond atomizer nozzle adjacent thereto and across Which the air fromthe first said nozzle is caused to pass, and a fluid reservoir adjacentto said second atomizer nozzle to supply fluid thereto.

3. In a device of the character described, a tank, a pressure supplytherefor, a reservoir and means connecting said reservoir with saidtank, an atomizing means, one element of which is introduced into saidreservoir, and a pressure supply for the other element of said atomizer,and means for controlling the operation of said atomizer, and a Whistleoperated by said controlling means.

4. In a device of the character described, a Whistle, means forsupplyinga fluid for operating said Whistle, and means for controllingsaid supply, an atomizing means, means for supplying two fluids to saidatomizing means and at right angles to each other, one of which shall beunder pressure, and means for controlling said pressure supply, andmeans for periodically admitting said second fluid to said atomizingmeans.

GEORGE M. MARR.

ARTHUR PHELPS MARR.

